Overview Product Description Material: Self Colour Steel Thread - UNF (Unified National Fine) (AF) Head Style - Socket Cap Head Type -Part Threaded Thread size 7/16" - 20tpi Product Videos Custom Field Product Reviews Write a Review Write a Review × 7/16" UNF Self Colour Steel Allen Key Socket Cap Bolts Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *